9999/10000X7+1111/10000X27怎样使这个式子更简便?
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9999/10000X7+1111/10000X27怎样使这个式子更简便?9999/10000X7+1111/10000X27怎样使这个式子更简便?9999/10000X7+1111/10000X27
9999/10000X7+1111/10000X27怎样使这个式子更简便?
9999/10000X7+1111/10000X27怎样使这个式子更简便?
9999/10000X7+1111/10000X27怎样使这个式子更简便?
9999/10000X7+1111/10000X27
=9999/10000X7+9999/10000X3
=9999/10000×10
=9999/1000
9999/10000X7+1111/10000X27怎样使这个式子更简便?
(10+x)x7/2-(10-x)x7/2=28如何解方程
解方程：5x-3x7/10=5/7
不等式3-7x7 B x-7 Dx>-10
解方程：(10+y)x7/12=2+y
4x+3 x7/10=13/2
填空()x7
括号x7
帮我用lingo或者lindo算个题呗?x1+x4+x5+x6+x7>20x1+x2+x5+x6+x7>13x1+x2+x3+x6+x7>10x1+x2+x3+x4+x7>12x1+x2+x3+x4+x5+>16x2+x3+x4+x5+x6+>18x3+x4+x5+x6+x7>20格式不对也改下哈,>在lingo中应该和>=一样吧?min=(5x1+4x2+3x3+3x4+3x5+3x6+4x7)
2.5x7.8+7.4x7.8+0.78
3.236x(-7)+(-3.264)x7-(-2.5)x7
3分之1X—10=(X+10)x7分之1等于几
1/1x4+1/4x7+1/7x10+1/10x13+1/13X16 简便
3/(1X4)+3/(4X7)+3/(7X10)+3/(10X13)+3/(13X16)
计算：（2.1^11x3^2）/（0.3^11x7^10）
[（0,6一4分之1）x7分之4+10分之3]除以50%
999999.999x7等于几?
1.9999x7+1111x372.（78分之1+17分之1）x13+4/173.654321x123456-654322x123455